CN109805969B

CN109805969B - Eye vitreous body sample collector

Info

Publication number: CN109805969B
Application number: CN201910213581.XA
Authority: CN
Inventors: 李惠玲; 方芳; 黄柳衣; 张东山
Original assignee: Second Xiangya Hospital of Central South University
Current assignee: Second Xiangya Hospital of Central South University
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2021-07-23
Anticipated expiration: 2039-03-20
Also published as: CN109805969A

Abstract

The invention discloses an eye vitreous body specimen collector which comprises a liquid collecting cavity, a threaded connector and a Y-shaped connector, wherein the threaded connector is arranged at one end of the liquid collecting cavity and is in threaded connection with a vitreous body cutting head connecting pipeline, and the Y-shaped connector is arranged at the other end of the liquid collecting cavity. The eye vitreous body sample collector of this structure has improved the convenience and the collection volume that vitreous body sample was collected, solves the problem that vitreous body collection volume is few among the vitreous body cutting process, has shortened the operation time simultaneously, has improved the efficiency and the security of operation.

Description

Eye vitreous body sample collector

Technical Field

The invention relates to the field of medical instruments, in particular to an eye vitreous body specimen collector.

Background

With the popularization of ophthalmic retinal vitrectomy, more and more retinal diseases are gradually recognized. However, many times, accurate diagnosis cannot be obtained by experience alone, and various cytological, histological and molecular biological diagnoses are required for the original vitreous humor or specimen.

As is well known, clinically, the biggest bottleneck in the detection of vitreous specimens is that the vitreous specimen is limited in collection amount, often less than 0.5ml, and cannot be sampled at one time to complete detection of various pathogens such as biochemistry, protein composition, smear and culture under different conditions.

At present, vitreous body cutting head connecting tube does not be equipped with special sample structure, when collecting the sample, need excise earlier behind a part vitreous body (this moment, because there is the negative pressure, in the vitreous body cutting head connecting tube was inhaled to the vitreous body cutting head connecting tube of excision got off the vitreous body, at the external interface connection syringe of vitreous body cutting head connecting tube, the vitreous body tissue in the extraction a part pipeline of with the syringe. The disadvantages of this approach are: 1. the collection of the original vitreous body specimen is not convenient to be directly carried out by the vitreous body cutter in the operation; 2. the sample collection mode not only has little collection amount, but also has complex operation and prolongs the operation time.

Disclosure of Invention

In view of the above, the present invention is directed to provide an eye vitreous specimen collector, so as to improve convenience and collection amount of vitreous specimens, solve the problem of small collection amount of vitreous specimens during cutting of vitreous bodies, shorten operation time, and improve operation efficiency and safety.

The invention solves the problems through the following technical means: the utility model provides an eye vitreous body sample collector, includes the liquid collecting chamber, set up in liquid collecting chamber one end with vitreous body cutting head connecting tube threaded connection's threaded connection and set up the Y type connector at the liquid collecting chamber other end.

Furthermore, the bottom of the liquid collection cavity is detachably sealed and connected with the separation cavity in a sealing mode, a boss is arranged on the inner wall of the top of the separation cavity, a filter sheet is supported on the boss and comprises a frame and a glass fiber membrane arranged in the frame.

Furthermore, the outer wall of the liquid collection cavity is provided with scales.

Further, the liquid collecting cavity comprises an upper cavity and a lower cavity which are connected in a sealing and sliding mode in a sleeved mode, the threaded connector is communicated with the upper cavity, and the Y-shaped connector is communicated with the lower cavity.

Furthermore, a first check ring is arranged at the top of the lower cavity, a second check ring is arranged at the bottom of the upper cavity, the upper cavity penetrates through the first check ring and is in sealed sliding connection with the first check ring, and the second check ring is sleeved in the lower cavity and is in sealed sliding connection with the lower cavity.

Further, a magnetic material layer is arranged on the inner side of the first check ring, a magnetic material ring which is in sealed sliding sleeve joint with the upper cavity body is sleeved in the upper cavity body, and when the upper cavity body slides relative to the first check ring, the magnetic material layer can attract the magnetic material ring through magnetic force, so that the magnetic material ring and the upper cavity body can slide relatively.

Further, a rotating cap is arranged on the threaded connection head.

Further, Y type connector includes vacuum branch pipe and gets liquid branch pipe.

The invention has the beneficial effects that: the invention discloses an eye vitreous body specimen collector which comprises a liquid collecting cavity, a threaded connector and a Y-shaped connector, wherein the threaded connector is arranged at one end of the liquid collecting cavity and is in threaded connection with a vitreous body cutting head connecting pipeline, and the Y-shaped connector is arranged at the other end of the liquid collecting cavity. The eye vitreous body sample collector of this structure has improved the convenience and the collection volume that vitreous body sample was collected, solves the problem that vitreous body collection volume is few among the vitreous body cutting process, has shortened the operation time simultaneously, has improved the efficiency and the security of operation.

Drawings

The invention is further described below with reference to the figures and examples.

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic structural diagram of example 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.

Detailed Description

In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.

Example 1

As shown in figure 1, the eye vitreous body specimen collector comprises a liquid collecting cavity 1, a threaded connector 2 arranged at one end of the liquid collecting cavity and a Y-shaped connector arranged at the other end of the liquid collecting cavity. The collection liquid chamber is made by transparent stereoplasm medical material, can not take place deformation under the negative pressure condition, and transparent material is favorable to observing the condition that the sample was collected, and the outer wall in collection liquid chamber is provided with scale 5 to the collection volume of relatively accurate measurement sample. The threaded connector is in threaded connection with the near end of the connecting pipeline of the glass cutting head, and the threaded connection mode is adopted, so that the device is simple, convenient and reliable; the rotating cap 6 is integrally formed on the threaded connector, so that the threaded connector is conveniently driven to rotate, and the convenience in the installation process is improved; the separation chamber 12 is detachably sealed and sleeved at the bottom of the liquid collection chamber, the separation chamber and the liquid collection chamber can be in threaded connection, a boss is arranged on the inner wall of the top of the separation chamber, a filter sheet 4 is supported on the boss and comprises a frame and a glass fiber membrane arranged in the frame, certain sample components can be filtered and accumulated through the glass fiber membrane, the separation chamber and the liquid collection chamber can be separated after the operation is completed, the filter sheet is taken down, and the sample components are taken down from the glass fiber membrane to perform pathological analysis such as biochemistry and protein composition, so that the convenience of medical analysis is improved. The Y-shaped connector comprises a vacuum branch pipe 301 and a liquid taking branch pipe 302, the vacuum branch pipe and the liquid taking branch pipe are rubber pipes with the outer diameter of 5.0mm and the inner diameter of 4.0mm, a waterproof and breathable material film 7 is arranged in the vacuum branch pipe, the vacuum branch pipe is connected with a vacuum source of a vitreous body cutter so as to generate vacuum for extracting a vitreous body sample, and the waterproof and breathable material film can prevent the vitreous body sample from flowing to the vacuum source; the liquid taking branch pipe is designed into a form of being connected with the injector in a matching way, so that a sample can be conveniently extracted through the injector, and further analysis of the sample is facilitated. To sum up, adopt the collector of this design, through collecting liquid chamber automatic collection vitreous body sample, not only in vitreous body cutting operation in-process just accomplished the collection to original vitreous body sample in step, can not influence the operation process, effectively improved operation process's simplicity and security, the collection volume of sample can be improved to the collection liquid chamber moreover to satisfy the detection demand in later stage. In addition, the collector adopting the design is very convenient to assemble and disassemble, and can collect original vitreous body specimens as much as possible.

Example 2

As shown in fig. 2, the present embodiment is different from embodiment 1 in that: 1. the liquid collecting cavity comprises an upper cavity body 101 and a lower cavity body 102 which are in sealed sliding sleeve joint, the threaded connector is communicated with the upper cavity body, the Y-shaped connector is communicated with the lower cavity body, a first check ring 8 is arranged at the top of the lower cavity body, a second check ring 9 is arranged at the bottom of the upper cavity body, the upper cavity body penetrates through the first check ring and is in sealed sliding connection with the first check ring, and the second check ring is sleeved in the lower cavity body and is in sealed sliding connection with the lower cavity body. In the use, can make cavity and lower cavity relative slip to the holistic volume in adjustment collection liquid chamber, so that satisfy the collection liquid demand under the different states. In the sliding process, when the second retainer ring is tightly attached to the first retainer ring, the upper cavity and the lower cavity cannot continuously slide relative to each other to enlarge the whole volume, so that the upper cavity and the lower cavity are prevented from slipping.

Example 3

As shown in fig. 3, the present embodiment is different from the above embodiments in that: the inner side of the first check ring is provided with a magnetic material layer 10, the upper cavity is internally sleeved with a magnetic material ring 11 which is in sealed sliding sleeve joint with the upper cavity, and when the upper cavity slides relative to the first check ring, the magnetic material layer can attract the magnetic material ring through magnetic force, so that the magnetic material ring and the upper cavity can slide relatively. In-process that relative slip took place for last cavity and lower cavity, on the one hand, the outer wall of second retaining ring can be scraped off the remaining sample of cavity inner wall down and gather together, and on the other hand, the magnetic material circle can be scraped off the remaining sample of cavity inner wall in the upper chamber and gather together. Thereby further increasing the amount of specimen collected.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An eye vitreous specimen collector, characterized in that: the glass body cutting head connecting device comprises a liquid collecting cavity, a threaded connector and a Y-shaped connector, wherein the threaded connector is arranged at one end of the liquid collecting cavity and is in threaded connection with a glass body cutting head connecting pipeline; the bottom of the liquid collection cavity is detachably sealed and hermetically connected with the separation cavity, a boss is arranged on the inner wall of the top of the separation cavity, a filter plate is supported on the boss and comprises a frame and a glass fiber membrane arranged in the frame; the outer wall of the liquid collection cavity is provided with scales; the liquid collecting cavity comprises an upper cavity and a lower cavity which are hermetically, slidably and sleeved, the threaded connector is communicated with the upper cavity, and the Y-shaped connector is communicated with the lower cavity; the top of the lower cavity is provided with a first check ring, the bottom of the upper cavity is provided with a second check ring, the upper cavity penetrates through the first check ring and is in sealed sliding connection with the first check ring, and the second check ring is sleeved in the lower cavity and is in sealed sliding connection with the lower cavity; the inner side of the first check ring is provided with a magnetic material layer, the upper cavity is internally sleeved with a magnetic material ring which is in sealed sliding sleeve joint with the upper cavity, and when the upper cavity slides relative to the first check ring, the magnetic material layer can attract the magnetic material ring through magnetic force, so that the magnetic material ring and the upper cavity can slide relative to each other.

2. An eye vitreous specimen collector according to claim 1, characterized in that: and a rotating cap is arranged on the threaded connecting head.

3. An eye vitreous specimen collector according to claim 2, characterized in that: the Y-shaped connector comprises a vacuum branch pipe and a liquid taking branch pipe, and a waterproof and breathable material film is arranged in the vacuum branch pipe.